X.

66. How often are the Olympics Games held?

67. What are the children doing?

68. Where were the first Olympic Games took place?

69. When did Pele begin his career?

70. Why do you like swimming?

XI.

71. won -> lost

72. should -> will

73. although -> so

74. difference -> differences

75. play -> take

XII.

76. My brother is a good football player.

77. Badminton is Mai's favorite sport.

78. Sports and games play an important role in children's lives.

79. Children do many after-school actitivities when school finishes.

80. Lan can play basketball well.

X.Make questions for the underlined part in each sentence.

66. How often are the Olympics Games held?

67. What are the children doing?

68. Where were the first Olympic Games took place?

69. When did Pele begin his career?

70. Why do you like swimming?

XI. There is One mistake in each sentence, try to find mistake and correect it

71. won -> lost

72. should -> will

73. although -> so

74. difference -> differences

75. play -> take

XII.

76. My brother is a good football player.

77. Badminton is Mai's favorite sport.

78. Sports and games play an important role in children's lives.

79. Children do many after-school actitivities when school finishes.

80. Lan can play basketball well. 

đề mik viết in nghiêng nha bạn cho mik tlnh nha chúc bạn học tốt^^